Java™ Platform
Standard Ed. 6

javax.swing.event
Interface TreeWillExpandListener

All Superinterfaces:
EventListener

public interface TreeWillExpandListener
extends EventListener

The listener that's notified when a tree expands or collapses a node. For further information and examples see How to Write a Tree-Will-Expand Listener, a section in The Java Tutorial.


Method Summary
 void treeWillCollapse(TreeExpansionEvent event)
          Invoked whenever a node in the tree is about to be collapsed.
 void treeWillExpand(TreeExpansionEvent event)
          Invoked whenever a node in the tree is about to be expanded.
 

Method Detail

treeWillExpand

void treeWillExpand(TreeExpansionEvent event)
                    throws ExpandVetoException
Invoked whenever a node in the tree is about to be expanded.

Throws:
ExpandVetoException

treeWillCollapse

void treeWillCollapse(TreeExpansionEvent event)
                      throws ExpandVetoException
Invoked whenever a node in the tree is about to be collapsed.

Throws:
ExpandVetoException

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.


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